[HIP-Clang] propagate -mllvm options to opt and llc

Change the HIP Toolchain to pass the OPT_mllvm options into OPT and LLC stages. Added a lit test to verify the command args.

Reviewers: yaxunl

Differential Revision: https://reviews.llvm.org/D59316

llvm-svn: 356277

1 files changed, 9 insertions, 0 deletions

diff --git a/clang/lib/Driver/ToolChains/HIP.cpp b/clang/lib/Driver/ToolChains/HIP.cpp
index 10be27c354e..fb3626d9be6 100644
--- a/clang/lib/Driver/ToolChains/HIP.cpp
+++ b/clang/lib/Driver/ToolChains/HIP.cpp
@@ -140,6 +140,11 @@ const char *AMDGCN::Linker::constructOptCommand(
   }
   OptArgs.push_back("-mtriple=amdgcn-amd-amdhsa");
   OptArgs.push_back(Args.MakeArgString("-mcpu=" + SubArchName));
+
+  for (const Arg *A : Args.filtered(options::OPT_mllvm)) {
+    OptArgs.push_back(A->getValue(0));
+  }
+
   OptArgs.push_back("-o");
   std::string TmpFileName = C.getDriver().GetTemporaryPath(
       OutputFilePrefix.str() + "-optimized", "bc");
@@ -177,6 +182,10 @@ const char *AMDGCN::Linker::constructLlcCommand(
   if(!Features.empty())
     LlcArgs.push_back(Args.MakeArgString(MAttrString));
 
+  for (const Arg *A : Args.filtered(options::OPT_mllvm)) {
+    LlcArgs.push_back(A->getValue(0));
+  }
+
   // Add output filename
   LlcArgs.push_back("-o");
   std::string LlcOutputFileName =